#extension GL_OES_EGL_image_external : require
precision mediump float;
varying vec2 vTexCoord;
uniform mat4 uColorMatrix;
uniform samplerExternalOES sTexture;
void main()
{
    gl_FragColor = uColorMatrix*texture2D(sTexture, vTexCoord).rgba;
    //"gl_FragColor = texture2D(sTexture, vTexCoord);
}